Home / 30,108.67-41,550.26-16,680.11

Finding the Fourth Proportional to 30,108.67, 41,550.26 and 16,680.11

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Solution

The fourth proportional to 30,108.67, 41,550.26 and 16,680.11 is: 23,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.67 : 41,550.26 = 16,680.11 : x
  2. Step 2: Convert to fraction form
    30,108.67/41,550.26 = 16,680.11/x
  3. Step 3: Cross multiply
    30,108.67x = 41,550.26 × 16,680.11
  4. Step 4: Simplify right side
    30,108.67x = 693,062,907.33
  5. Step 5: Solve for x
    x = 693,062,907.33/30,108.67
  6. Step 6: Final answer
    x = 23,018.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.